Date: Mon, 24 Oct 2011 11:23:11 -0400 From: FreeBSD Optik <freebsd@optiksecurite.com> To: Daryl Sayers <daryl@ci.com.au> Cc: freebsd-questions@freebsd.org Subject: Re: ZFS and glabels when export/importing Message-ID: <4EA582DF.6000006@optiksecurite.com> In-Reply-To: <201110240300.p9O30TpG013031@mippet.ci.com.au> References: <ynjmxcxzqs9.fsf@mippet.ci.com.au> <4EA44085.6060203@optiksecurite.com> <201110240300.p9O30TpG013031@mippet.ci.com.au>
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Le 2011-10-23 23:00, Daryl Sayers a écrit : >>>>>> "=?ISO-8859-1?Q?FreeBSD" == =?ISO-8859-1?Q?FreeBSD Optik S=E9curit=E9?=<ISO-8859-1> writes: >> Le 2011-10-18 21:57, Daryl Sayers a écrit : >>> Had a prblem when I needed to export a zpool and import again. The pool used >>> glabels for each device but after the import the pool is now using the raw >>> devices names. >>> >>> >>> sandbox# zpool create -f tank3 raidz1 /dev/label/012 /dev/label/066 label/040 label/064 >>> sandbox# zpool status >>> pool: tank3 >>> state: ONLINE >>> scan: none requested >>> config: >>> >>> NAME STATE READ WRITE CKSUM >>> tank3 ONLINE 0 0 0 >>> raidz1-0 ONLINE 0 0 0 >>> label/012 ONLINE 0 0 0 >>> label/066 ONLINE 0 0 0 >>> label/040 ONLINE 0 0 0 >>> label/064 ONLINE 0 0 0 >>> >>> sandbox# glabel list | grep Name >>> 1. Name: label/012 >>> 1. Name: ada0 >>> 1. Name: label/066 >>> 1. Name: ada1 >>> 1. Name: label/040 >>> 1. Name: ada2 >>> 1. Name: label/064 >>> 1. Name: ada3 >>> >>> sandbox# zpool export tank3 >>> sandbox# glabel list | grep Name >>> 1. Name: label/012 >>> 1. Name: ada0 >>> 1. Name: label/066 >>> 1. Name: ada1 >>> 1. Name: label/040 >>> 1. Name: ada2 >>> 1. Name: label/064 >>> 1. Name: ada3 >>> sandbox# zpool import tank3 >>> sandbox# glabel list >>> sandbox# zpool status >>> pool: tank3 >>> state: ONLINE >>> scan: none requested >>> config: >>> >>> NAME STATE READ WRITE CKSUM >>> tank3 ONLINE 0 0 0 >>> raidz1-0 ONLINE 0 0 0 >>> ada0 ONLINE 0 0 0 >>> ada1 ONLINE 0 0 0 >>> ada2 ONLINE 0 0 0 >>> ada3 ONLINE 0 0 0 >>> >>> ------------------------------------------------------------------ >>> The only way I could get zfs to use the glabels without destroying the pool >>> was to install a new drive, glabel it and then replace that with the first >>> drive, then do the same for each drive. >>> >>> sandbox# zpool replace -f tank3 /dev/ada0 label/014 >>> ... wait for completion >>> sandbox# zpool replace -f tank3 /dev/ada1 label/012 >>> ... wait for completion >>> >>> Note that I did not need to glabel any drive (except the newly installed >>> spare) so the label was still intact on each drive. >>> >>> So, How do I do an export and import and still keep the glabels that the >>> original pool was created with. >>> >> Hi! >> I just tried it and had no problem on 9.0-BETA3 AMD64. The labels were >> still intact and used by ZFS after the import. Which FreeBSD version are >> you using? >> Martin > Yeh, Sorry I forgot to highlight the versions. > > FreeBSD 8.2-STABLE amd64 > ZFS filesystem version 5 > ZFS storage pool version 28 > > I don't know what to say except try it with 9.0, if possible. The RC1 just got out. I'm no expert on this, sorry I can't be more helpful. Martin
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